PreCal
posted by Hannah .
Find two functions f and g such that (f X g)(x) = h(x). (There are many correct answers.)
h(x) = 4 / (5x + 2)^2 =
My answers were: f(x) = 4 / 5x, and
g(x) = 5x + 2
Please explain. These answers were wrong and I do not know how to fix them!!

using your answers
g(x) = (5x+2)
f (g(x)) = 4 /[5(5x+2)]
= 4/(25x+10)

Say g(x) = 1/(5x+2)
and f(x) = 4 x^2
then f(g(x)) = 4 [ 1^2/(5x+2)^2 ]